body {
    font-family: 'Cairo', Arial, sans-serif;
    background: #f8f9fa;
    margin: 0;
}
.admin-login {
    max-width: 350px;
    margin: 4rem auto;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 8px #0001;
    padding: 2rem 1.5rem;
}
.admin-login h2 {
    text-align: center;
    margin-bottom: 1.2rem;
}
.admin-login label {
    display: block;
    margin: 0.7rem 0 0.2rem 0;
    font-weight: 500;
}
.admin-login input[type="text"],
.admin-login input[type="password"] {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #ccc;
    border-radius: 5px;
    margin-bottom: 0.7rem;
    font-size: 1rem;
    box-sizing: border-box;
}
.admin-login button {
    width: 100%;
    background: #006d77;
    color: #fff;
    border: none;
    padding: 0.7rem;
    border-radius: 5px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    margin-top: 0.5rem;
    transition: background 0.2s;
}
.admin-login button:hover {
    background: #00525e;
}
.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    padding: 0.7rem;
    border-radius: 5px;
    margin-bottom: 1rem;
    text-align: center;
}